HG/T 20592  法兰盖 BL 150(B)-16 FM S=4

BL150(B)-16FM S=4

WN900-150RF S=16 RF592-5uot

2 cfm1300-1.6

SO 80(B)-16 RF2600f/@05.50 RF B=1

WN10B-63rj8-1RF50rf640 WN RF

WN150-16T30pampampampampwd=

法兰WN150-40 RF/4

wn300-300 rf sch30-1RF0sc@S/2@ RF B=7423fr

WN 200-150 RF、0-0.6 s=

SO25-600 fF